Commercial Low-Temperature Refrigeration Service Technician - Rack Refrigeration Focus

Refrigeration Systems Construction and Service•Phoenix, AZ

About The Position

RSCS / MRC is a full-service commercial and industrial refrigeration construction and service company with 25+ years in business and operations across 10 states in the western U.S. We’re hiring Commercial Low-Temperature Refrigeration Technicians who enjoy hands-on troubleshooting, take pride in clean workmanship, and like working on a variety of equipment brands across a broad customer base.

Requirements

3–5+ years of experience in commercial refrigeration (low-temp / racks preferred)
EPA 608 certification (Universal preferred)
Comfortable working independently in customer facilities and following safety procedures
Willing to travel as needed and participate in an on-call rotation
Clean driving record
Able to work in typical field conditions (rooftops, ladders, tight spaces) and lift/carry job-required tools/parts

Nice To Haves

Strong troubleshooting mindset and solid refrigeration fundamentals
Hands-on, dependable, and takes ownership of the job
Organized, detail-oriented, and produces clean service documentation
Team-first attitude and professional customer communication

Responsibilities

Troubleshoot, service, and repair commercial low-temperature refrigeration systems (rack systems, cases, walk-ins, freezers, remote condensing units, etc.)
Diagnose and repair electrical systems, controls, and sensors (defrost, temperature control, pressure control, alarms)
Perform compressor, fan motor, and component replacements (valves, solenoids, TXVs/EEVs, contactors, relays, etc.)
Locate leaks, perform refrigerant recovery/evacuation/charging, and complete repairs safely and correctly
Support start-ups, system checks, and performance verification after repairs
Communicate clearly with customers and document work performed (service notes, parts used, follow-up needs)
Participate in on-call rotation and travel as needed